NJM12903 single supply dual comparator general description package outline the NJM12903 is single-supply dual voltage comparator, which can operate from 2v supply. the features are input offset voltage, input bias current and low current consumption. the NJM12903 compare the input si gnal to 0v(ground) due to the darlington pnp input stage. the package lineup is dip, dmp and others compact, which is son, so that the NJM12903 is suitable for any kind of signal comparator. features operating voltage (+2v to + 1 4v) open collector output bipolar technology package outline dip8,dmp8,emp8,ssop8, vsp8,sip8 pin configuration a b 1 8 2 7 3 6 4 5 a b 12345678 njm 1 2903d/ 1 2903m njm 1 2903l njm 1 2903e/ 1 2903v/ 1 2903r equivalent circuit ( 1 /2shown) output - input +input v + gnd pin function 1 . a output 2. a -input 3. a +input 4. gnd 5. b +input 6. b -input 7. b output 8. v + njm 1 2903d njm 1 2903m njm 1 2903e njm 1 2903v njm 1 2903r njm 1 2903l
NJM12903 absolute maximum ratings (ta=25 c) parameter symbol ratings unit supply voltage v + 1 5 v differential input voltage v id 1 4 v input voltage v ic - 0.3 to + 1 4 v power dissipation p d (dip8) 500 (dmp8) 300 (emp8) 300 (ssop8) 250 (vsp8) 320 (sip8) 800 mw operating temperature range topr - 40 to +85 c storage temperature range tstg - 50 to + 1 25 c electrical characteristics ( v + =5v, ta=25 c) parameter symbol test condition min. typ. max. unit operating voltage vopr 2 - 1 4 v input offset voltage v io r s =0 ? ,v o 1 .4v - 1 4 mv input offset current i io - 5 50 na input bias current i b - 30 200 na large signal voltage gain a v r l = 1 5k ? - 1 06 - db input common mode voltage range v icm 0 to 3.5 - - v response time t r r l =5. 1 k ? - 0.5 - s output sink current i sink v in + =0v,v in - 1 v,v o = 1 .5v 6 1 0 - ma output saturation v sat v in + =0v,v in - 1 v,i sink =3ma - 80 300 mv output leakage current i leak v in + =0v,v in - 1 v,v o =5v - 0. 1 1 .0 a operating current i cc - 0.4 1 .0 ma
NJM12903 memo [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
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